GB/T 20221-2023
Pressureless buried sewage and drainage rigid polyvinyl chloride (PVC-U) pipes (English Version)
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GB/T 20221-2023
Standard No.
GB/T 20221-2023
Language
Chinese,
Available in English version
Release Date
2023
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 20221-2023
Replace
GB/T 20221-2006
GB/T 20221-2023 history
2023
GB/T 20221-2023
Pressureless buried sewage and drainage rigid polyvinyl chloride (PVC-U) pipes
2006
GB/T 20221-2006
Unplatsticized poly (Vinyl chloride)(PVC-U) pipes for non-pressure buried drainage and sewerage systems
1996
GB/T 10002.3-1996
Unplasticized polyvinyl chloride (PVC-U) pipes for buried drainage and sewerage systems
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